12402343332 has 36 divisors (see below), whose sum is σ = 31791928896. Its totient is φ = 4075886640.

The previous prime is 12402343313. The next prime is 12402343333. The reversal of 12402343332 is 23334320421.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 12402343296 and 12402343305.

It is not an unprimeable number, because it can be changed into a prime (12402343333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2423568 + ... + 2428679.

It is an arithmetic number, because the mean of its divisors is an integer number (883109136).

Almost surely, 2^12402343332 is an apocalyptic number.

12402343332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12402343332 is an abundant number, since it is smaller than the sum of its proper divisors (19389585564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12402343332 is a wasteful number, since it uses less digits than its factorization.

12402343332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852328 (or 4852323 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 12402343332 its reverse (23334320421), we get a palindrome (35736663753).

The spelling of 12402343332 in words is "twelve billion, four hundred two million, three hundred forty-three thousand, three hundred thirty-two".